public override void ViewDidLoad() { AsyncInitialize(); base.ViewDidLoad(); TabBarController.NavigationItem.LeftBarButtonItems = new UIBarButtonItem[] { TabBarController.NavigationItem.RightBarButtonItems[0], new UIBarButtonItem(_addButton) }; _addButton.TouchDown += delegate { ViewModel.AddCommand.Execute(null); }; _addButton.TranslatesAutoresizingMaskIntoConstraints = false; _addButton.WidthAnchor.ConstraintEqualTo(32.0f).Active = true; _addButton.HeightAnchor.ConstraintEqualTo(32.0f).Active = true; _addButton.SetImage(new UIImage("add.png"), UIControlState.Normal); _source = new MySimpleTableViewSource(tasksTable, TasksTableViewCell.Key, TasksTableViewCell.Key); var set = this.CreateBindingSet <TasksTabView, TasksTabViewModel>(); set.Bind(_source).To(vm => vm.Tasks); set.Apply(); tasksTable.Source = _source; tasksTable.ContentInset = UIEdgeInsets.FromString("20.0, 20.0, 20.0, 20.0"); tasksTable.RowHeight = 100; tasksTable.ReloadData(); _source.SelectedItemChanged += (args, e) => { var indexPath = tasksTable.IndexPathForSelectedRow; var index = indexPath.Row; ActionSheetButtonsTouchUpInside(args, e, index); ViewModel.CurrentTask((CurrentTaskItem)_source.SelectedItem); }; }